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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| import React from "react"; | ||
| import Path from 'path-parser'; | ||
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| export const routePool = []; | ||
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| let FIRST_COMPONENT_HAS_MOUNTED = false; | ||
| const gotoDefault = _ => { | ||
| if(!FIRST_COMPONENT_HAS_MOUNTED) { | ||
| if(!location.hash) setTimeout(navigate, 1, "/"); | ||
| FIRST_COMPONENT_HAS_MOUNTED = true; | ||
| } | ||
| } | ||
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| const transformHash = rawHash => rawHash.split("#").pop(); | ||
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| export function renderOnRoute(path) { | ||
| return function(comp) { | ||
| routePool.push({ | ||
| path, | ||
| parser: new Path(path), | ||
| comp, | ||
| }); | ||
| return comp; | ||
| } | ||
| } | ||
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| export const navigate = newUrl => location.hash = "#" + newUrl; | ||
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| export class PathLookup extends React.Component { | ||
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| state = { | ||
| params: null, | ||
| path: location.hash ? transformHash(location.hash): "/", | ||
| current: null | ||
| } | ||
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| componentWillMount() { | ||
| gotoDefault(); | ||
| this.hashChange(this.state.path); | ||
| } | ||
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| componentDidMount() { | ||
| window.addEventListener("hashchange", ({ newURL }) => | ||
| this.hashChange(transformHash(newURL || location.hash))); | ||
| } | ||
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| hashChange(selectedRoute) { | ||
| this.setState({ path: selectedRoute }); | ||
| } | ||
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| render() { | ||
| return this.props.shouldRender(this.state.path) ? this.props.children: null; | ||
| } | ||
| } | ||
|
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| export class RouterOutlet extends PathLookup { | ||
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| hashChange(selectedRoute) { | ||
| const selectedMatcher = routePool.find(matcher => !!matcher.parser.test(selectedRoute)); | ||
| this.setState({ | ||
| "params": selectedMatcher ? selectedMatcher.parser.test(selectedRoute): null, | ||
| "path": selectedRoute, | ||
| "current": selectedMatcher ? selectedMatcher.comp: null | ||
| }); | ||
| } | ||
|
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| render() { | ||
| const result = this.state.current ? React.createElement(this.state.current, { params: this.state.params, path: this.state.path }): this.props.children; | ||
|
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| if(this.props.shouldRedirect && this.props.shouldRedirect(this.state.path) && this.state.current) { | ||
| navigate(this.props.redirect); | ||
| return null; | ||
| } | ||
|
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| return result; | ||
| } | ||
| } | ||
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| export const Link = ({ href, children, ...props }) => | ||
| React.createElement("a", { href: `#${href}`, ...props }, children); |
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